Home / 3,406.48-5,111.25-1,739.75

Finding the Fourth Proportional to 3,406.48, 5,111.25 and 1,739.75

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Solution

The fourth proportional to 3,406.48, 5,111.25 and 1,739.75 is: 2,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.48 : 5,111.25 = 1,739.75 : x
  2. Step 2: Convert to fraction form
    3,406.48/5,111.25 = 1,739.75/x
  3. Step 3: Cross multiply
    3,406.48x = 5,111.25 × 1,739.75
  4. Step 4: Simplify right side
    3,406.48x = 8,892,278.16
  5. Step 5: Solve for x
    x = 8,892,278.16/3,406.48
  6. Step 6: Final answer
    x = 2,610.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.